I would like to find any extensions for Product lables for Magento2?
A. Check in github for Product Lables. Here are some list of plugins:
B. Check in magento market place for the paid extension.
The following extension is available for product lables in Magento2.
It supports upto Community 2.0, 2.1, 2.2 versions.
C. From Solwininfotech : (Paid version)
After installing the extension, you need to run the following commands :
php bin/magento setup:upgrade php bin/magento indexer:reindex php bin/magento cache:clean
You can try to find it on the github. Here are some results from the first page: